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DNS records

A, AAAA, CNAME, MX, TXT — and what to use them for.

If you use Suzko's nameservers, manage DNS at /dashboard/domains → your domain → DNS.

Record types you'll actually use

TypeWhat it doesExample value
APoint a hostname at an IPv4192.0.2.1
AAAAPoint a hostname at an IPv62001:db8::1
CNAMEAlias one hostname to anothermyapp.deploy.suzko.net.
MXMail server for the domain10 mx.example.com.
TXTArbitrary string (SPF, DKIM, verification)v=spf1 include:_spf.example.com ~all
NSSubdomain nameserversns1.somewhere.com.
SRVService location (rare)0 5 5060 sip.example.com.
CAALimit who can issue SSL certs0 issue "letsencrypt.org"

Common setups

Point your apex (yourdomain.com) at Suzko hosting:

  • Add an A record, host @, value = the IP shown on your hosting service page

Point www at the same thing:

  • Add a CNAME, host www, value yourdomain.com. (trailing dot)
  • Or a second A record

Point a subdomain at a Deploy project:

  • Add a CNAME, host app, value = the deploy URL (e.g. your-project.apps.suzko.net.)

Email via Business Email:

TTL

Time-to-live. How long resolvers cache the record. Default 1 hour is fine for most things. Drop to 5 minutes (300) before a planned change, raise back to 3600+ after the change settles.

Propagation

Changes go live at our nameservers immediately. Recursive DNS resolvers (your ISP, Google DNS, Cloudflare DNS) cache for the TTL window — so it can take up to that long to see the change globally. Most propagate in minutes.

Imported records on transfer

If you transfer a domain in from another registrar, DNS records at their DNS service don't follow. Before flipping nameservers, set up the same records at Suzko.